Home / 39,108.51-53,969.04-22,112.46

Finding the Fourth Proportional to 39,108.51, 53,969.04 and 22,112.46

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Solution

The fourth proportional to 39,108.51, 53,969.04 and 22,112.46 is: 30,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.51 : 53,969.04 = 22,112.46 : x
  2. Step 2: Convert to fraction form
    39,108.51/53,969.04 = 22,112.46/x
  3. Step 3: Cross multiply
    39,108.51x = 53,969.04 × 22,112.46
  4. Step 4: Simplify right side
    39,108.51x = 1,193,388,238.24
  5. Step 5: Solve for x
    x = 1,193,388,238.24/39,108.51
  6. Step 6: Final answer
    x = 30,514.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.